The riddle has so far received no correct answers (several people responded with the obvious "cop out" answer). Therefore, this is being declared the hardest riddle yet. I am upgrading the bounty to 2 points for a correct answer! Also, I am making the riddle a little harder...

You are outside a room with 5 light switches. You cannot see in the room. You don't have anyone else to help you. You enter the room. Inside the room are 5 lights. You then find out which light switch controls which light.

This is very difficult. So remember, you are encouraged to Google around for similar riddles and to ask your friends. Cheating is encouraged!

A room has four lights. Alone, and unable to see in, you use four light switches outside the room and enter, knowing which is which. How?
At request, new riddles will be whittled down to 140 characters.

23:00 "... the government is taking away jobs and funds from the free market... so you should get as much education as you can while the money is cheap."This line of thinking missed the mark in a few ways. In the long term, we can expect the market to become rational; but now there are lots of inefficiencies out there you should be aware of:Real wages are high right nowAdditional government intervention will cause good, sustainable jobs to diminishEducation costs are propped …